I think the most significant cause of World War one was the assassination of the Archduke Franz Ferdinand. The other causes of the war was Imperliasm, Militarism, Nationalism and Alliances that were formed.
Sparta technically had more territory on the map, but it was Athens that had the greatest geographic advantage, due mostly to the fact that its city states were positioned along the Mediterranean Sea.
The Space Race was a 20th-century competition between two Cold War rivals, the Soviet Union<span> (USSR) and the United States (US), for supremacy in spaceflight capability.</span>